{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["cause effect", "entity origin", "component whole", "member collection"], "input": "sodium causes fluid retention , which can lead to edema ( swelling ) , increased blood pressure , and in those susceptible patients , congestive heart failure ."}
{"cause effect": [{"subject": "sodium", "object": "retention"}], "entity origin": [], "component whole": [], "member collection": []}